Features: Adjustable Chain, Quick Ship Setting: Prong Shape: Snowflake Stone Cut: Round Stone Millimeter Measurement: 6 Mm Length, 6 Mm Width Metal Color: White Chain Length: 18 Inch Pendant Length: 22mm Pendant Width: 22mm Chain Construction: Rope Care: Wipe Clean Stone Type: 12 Lab Created Sapphire, 1 Genuine Blue Topaz Authenticity: Genuine Stone Birthstone: December Birthstone Metal: Sterling Silver Necklace Type: Pendant Necklaces Country of Origin: Imported Gemstones may be treated and may require special care. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.